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Finding the Fourth Proportional to 608,156.40, 912,234.60 and 583,273.20

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Solution

The fourth proportional to 608,156.40, 912,234.60 and 583,273.20 is: 874,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,156.40 : 912,234.60 = 583,273.20 : x
  2. Step 2: Convert to fraction form
    608,156.40/912,234.60 = 583,273.20/x
  3. Step 3: Cross multiply
    608,156.40x = 912,234.60 × 583,273.20
  4. Step 4: Simplify right side
    608,156.40x = 532,081,994,292.72
  5. Step 5: Solve for x
    x = 532,081,994,292.72/608,156.40
  6. Step 6: Final answer
    x = 874,909.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.